[vcf-midatlantic] DEC 5380 chip

W2HX w2hx at w2hx.com
Sun Feb 26 20:56:26 EST 2017


Herb and David. Great sleuthing! Thanks for figuring that one out for me. I don't think I am in need of one yet, but if I am, thanks to Jonathan for the offer.

Eugene


-----Original Message-----
From: vcf-midatlantic [mailto:vcf-midatlantic-bounces at lists.vintagecomputerfederation.org] On Behalf Of David Gesswein via vcf-midatlantic
Sent: Sunday, February 26, 2017 5:32 PM
To: Herb Johnson via vcf-midatlantic
Cc: David Gesswein
Subject: Re: [vcf-midatlantic] DEC 5380 chip

On Sun, Feb 26, 2017 at 05:13:16PM -0500, Herb Johnson via vcf-midatlantic wrote:
> Run my reply past David Gesswein. But the 5380 on the M8650 schematic, 
> looks a lot like Signetics SP380, down to the pinouts.
> (don't be confused by OR vs AND, use Boolean logic). you can get 
> SP380's on eBay for several dollars. Or ask some PDP-8 owners.
> There's also some notes on this page:
> 
Yes the 5380 is the SP380A. I think the DS8640 will also work.



More information about the vcf-midatlantic mailing list